Ua hoʻopuka pū ka Ministry of Commerce (MOFCOM) a me ka General Administration of Customs (GAC) i ka leka No.

Wahi a ka hoʻolaha, ua wehe ʻia ka papa inoa o nā huahana i pāpā ʻia mai ka hana ʻana i ke kālepa ma ka 2014 Circular No. nā huahana me ka ikehu kiʻekiʻe a me ka pollution kiʻekiʻe, a me nā huahana me ka ʻike loea kiʻekiʻe.

Ua kāpae ʻia nā code 199 10, me ka soda ash, bicarbonate of soda, urea, sodium nitrate, potassium sulfate, titanium dioxide a me nā mea ʻē aʻe.

I ka manawa like, ua hoʻoponopono ʻia ke ala e pāpā ai i kekahi mau waiwai, me 37 10-helu helu waiwai, e like me ka bituminous coke a me ka dicofol.